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Citing in AMA Format: In-Text Citations

Citing Within Your Paper

In-text citations are referenced using a superscript number. These numbers correspond to a full reference found at the end of your paper. Each citation will be assigned a number one time, based on when they first appear in your paper.

The first citation you use will be,1 the second citation you use will be,2 and so on. If you want to cite a source that already has a reference list number associated with it, use the existing number.1 

Using Superscript Numbers

Citations should be numbered in the body of your paper with a superscript numeral.

If you are using Google Docs, you can turn on superscript by holding down the control button and the period button at the same time (CTRL+.). If you are using Microsoft Word, PC user can use CTRL+SHIFT+= ; for Mac users, it is Command+Shift+=). The superscript numbers should be placed OUTSIDE periods and commas and INSIDE colons and semicolons. They should be used directly after naming a resource.

Example:

According to the Nei Jing, "Ignorance of the root and ends only leads to reckless action."2(p49)

Direct Quotes and Paraphrasing

TIP: HOW TO CITE
There are two major ways of citing within your paper: Using a direct quote or paraphrasing

Direct Quote: A word-for-word sentence stated by someone else.
Paraphrase: Paraphrasing is when you restate someone else’s idea in your own words.


When citing in-text, use numbers to label your resource. Numbers should be placed OUTSIDE periods and commas and INSIDE colons and semicolons. They should be used directly after naming a resource.

Examples:

As reported in a previous study,2

The results of the study support my thesis7; however, further studies should be done to replicate the results.

According to Smith,6 the patients should be treated soon after surgery.

Page Numbers

If you are citing a particular section of a work, you should cite the page number. Quotations are always accompanied by a page number. Use a pfor a single page number, and pp for multiple page numbers.

Example:

Maciocia3(p439) later states that excessive consumption of hot foods may affect the Liver.

 

Example of two citations, one of which cites multiple page numbers:

Westman5(pp3,5),9 reported 8 cases in which vomiting occurred.

Multiple Sources

When citing multiple resources, list them in numerical order, hyphens are allowed when citing a series of resources.

Example:

As reported in previous studies,6,7-9,13 students who get plenty of rest the day before taking a test report receiving higher grades than those who do not study.

Multiple Authors

For references with more than 2 authors or authors and a group, include the first author's surname followed by "et al," "and associates," or "and colleagues."

Example:

Smith and Johnson6 reported.
Carrington et al7 reported.

Secondary Sources

If you are reading a text that includes a quote from another resource that you would like to cite, this is called a secondary citation. If possible, you should always try to go back and use the original source, but if you are unable to do so, you can quote the secondary resource.

In the actual text of your paper where the citation occurs, refer to the original source, but in your reference list, your citation will reference both the original source and secondary source.

For example, if you were reading The Heart Transmission of Medicine by Liu Yi-ren, and found a quote from the Nei Jing you would actually state that the quote is from the clasical text, but the citation and reference you would use would be for Liu Yi-ren's book:

  • According to the Nei Jing, "Ignorance of the root and ends only leads to reckless action."5(p208)
*Here, the citation source and page number would refer to Liu Yi-ren's book, since that is where you found the direct quote, but it is important to note that the quote is originally from another text.

 

But if you were quoting an analysis of the Nei Jing by Liu Yi-ren, then you would just quote Yi-ren's book, as normal.

Personal Communication

Personal communications or information that have not yet gone to publication should be not listed on the reference page, but should be cited in the text of your paper. Personal communications should list the name of the source, any educational credentials, mode of communication, and the month and date. Unpublished work should include name of the researcher/author, any educational credentials, and the month and date of the research.

Personal communication:
  • The patient stated that the treatment had been helpful (Rebecca C., oral communication, September 2012).
  • In a conversation with the patient, Rebecca C. stated that the treatment had been helpful (September 2012).

 

Unpublished work:
  • More recent research corroborates this theory (J. Smith, MD, unpublished data, November 2012). 

Figures/Images

While it is better to use images you have created, sometimes you will need to use previously published images within your work. Written permission is necessary to use another person's copyrighted image in your work. Generally, the copyright holder is the person that created the image or the publisher from where you found the image. You should cite the original source in the image legend (also known as the caption) and include the permission statement.

Example:

Reprinted with permission from the American Acupuncture Association.3

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